This is again reminiscent of the 9/11 events in the US where 15 or more drills and military exercises, some simulating hijackings, some even simulating planes crashing into buildings, were being conducted at the same time as the actual 9/11 attacks.
Another weakness of the official story is that the devastating explosions are claimed to have come from crude home-made explosives the bombers are supposed to have made in their bath tub, no less. Initial assessments of experts at the scene of the explosions were that high grade military explosives were used. Only later was the story changed to have the bombers cooking up their own home-made bombs"